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160657 (1999 XC142)
Classification: Inner Main-belt Asteroid          SPK-ID: 2160657
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09529101240890329 4.5443e-08  
a 1.982075078338436 1.1034e-08 au
q 1.79320113745311 8.768e-08 au
i 24.0437609176304 5.2783e-06 deg
node 67.37956063544188 1.1925e-05 deg
peri 283.2638482445742 4.7679e-05 deg
M 267.061310418121 5.529e-05 deg
tp 2459463.631367180493
(2021-Sep-06.13136718)
0.00015804 TDB
period 1019.244973338288
2.79
8.5109e-06
2.33e-08
d
yr
n .3532026249007714 2.9493e-09 deg/d
Q 2.170949019223762 1.2085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      573  
   data-arc span      8055 days (22.05 yr)  
   first obs. used      1998-04-28  
   last obs. used      2020-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49951  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:02:15  

Additional Information
 Earth MOID = .894259 au 
 Jupiter MOID = 3.12476 au 
 T_jup = 3.747 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.31   n/a E2021B55  

160657 (1999 XC142)          Discovered 1999-Dec-12 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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